5147320720

素因数分解:

$2^4\times 5^1\times {\mathrm{64341509}}^1$

素因数の和:64341522

約数の個数: 20

約数和(自身を含む): 11967520860

約数和(自身を除く): 6820200140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64341509, 128683018, 257366036, 321707545, 514732072, 643415090, 1029464144, 1286830180, 2573660360, 5147320720]

約数ペア:

[(1, 5147320720), (2, 2573660360), (4, 1286830180), (5, 1029464144), (8, 643415090), (10, 514732072), (16, 321707545), (20, 257366036), (40, 128683018), (80, 64341509)]